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RIP configuration
This chapter describes how to configure FortiGate RIP:
• RIP settings
• Configuring RIP for FortiGate interfaces
• Adding RIP neighbors
• Adding RIP filters
RIP settings
Configure RIP settings to enable basic RIP functionality and metrics and to configure
RIP timers.
1 Go to System > RIP > Settings.
2 Select Enable RIP Server to configure the FortiGate unit to be a RIP server.
3 Select Enable Advertise Default so that the FortiGate unit includes its default route in
RIP routing table updates.
4 Select Enable Auto Summary to automatically summarize subnet routes into
network-level routes.
If Enable Auto Summary is not selected, the FortiGate unit transmits sub-prefix routing
information across classfull network boundaries.
5 Change the following RIP default settings to fine tune RIP performance.
RIP defaults are effective in most configurations. You should only have to change
these settings to troubleshoot problems with your RIP configuration.
6 Change the following RIP timer settings to fine tune RIP performance.
RIP timer defaults are effective in most configurations. You should only have to
change these timers to troubleshoot problems with your RIP configuration.
Default Metric Change the default metric that is applied to routes with incompatible metrics.
The default metric assists in resolving how routes with incompatible metrics
are redistributed. Whenever metrics do not convert, RIP uses the default
metric to provide a reasonable substitute and allows the redistribution to
proceed. The default setting of the default metric is 2.
Input Queue Change the depth of the RIP input queue. The larger the numerical value, the
larger the depth of the queue. Consider changing the input-queue depth if
you have FortiGate unit sending at high speed to a low-speed router that
might not be able to receive at the high speed. Configuring this command will
help prevent the routing table from losing information.The range is 0 to 1024.
The default input queue depth is 50. A queue size of 0 means there is no
input queue.
Output Delay Change the output delay to add a delay in milliseconds between packets in a
multiple-packet RIP update. A typical output delay is 8 to 50 milliseconds.
Add an output delay if you are configuring RIP on a FortiGate unit that could
be sending packets to a router that cannot receive the packets at the rate the
FortiGate unit is sending them. The default output delay is 0 milliseconds.